Protecting the systems that keep your operations running—before, during, and after the threat.
IEC 62443-compliant assessments, network segmentation, and OT-specific vulnerability management. Modbus, DNP3, EtherNet/IP expertise.
See what happens when OT systems are compromised
Hover over each facility to reveal attack surfaces. Click to see how INFRASEC protects.
We specialize exclusively in operational technology security—not IT security retrofitted for industrial environments.
We don't just find vulnerabilities—we model what could actually happen to your operations.
Deep expertise in IEC 62443, NIST CSF, Singapore CCoP, and sector-specific requirements.
Deep-packet inspection of industrial protocols. No translation layer. No guesswork.
// Modbus TCP Frame Inspection - Port 502
TRANSACTION: 0x0A3F
PROTOCOL: Modbus/TCP
UNIT_ID: 0x01 (PLC_MAIN)
Function Code: 0x03 // Read Holding Registers
Start Addr: 0x0064 // Register 100
Quantity: 0x000A // 10 registers
⚠ ANOMALY DETECTED
Unauthorized read from SAFETY_SIS registers
Source: 192.168.1.105 (Unregistered)
→ ACTION: Block + Alert SOC// Siemens S7 COTP/ISO-on-TCP - Port 102
PDU_TYPE: JOB Request
FUNCTION: 0x04 // Read Variable
RACK/SLOT: 0/1
Area: DB1 // Data Block 1
Address: DBD 40
Transport: REAL // 32-bit float
✓ VALIDATED
Known HMI → PLC communication pattern
Within baseline parameters
→ STATUS: Allow (Logged)// DNP3 Frame - SCADA Master → RTU
START: 0x0564
LENGTH: 18 bytes
CONTROL: DIR=1, PRM=1, FCB=1
Dest: 0x0001 // RTU_Substation_A
Source: 0x0003 // SCADA_Master
Function: Analog Output
⚠ CRITICAL COMMAND
Setpoint change: Voltage regulator
Requires 2FA confirmation
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4 quick questions. Instant clarity on your regulatory gaps.
Free downloads to help you understand OT cybersecurity and compliance requirements.
Singapore's Code of Practice for Critical Information Infrastructure - the definitive compliance guide.
📥 Download PDFCSA guidance on Software Bill of Materials for OT environments and supply chain security.
📥 Download PDFCSA's comprehensive framework for building security into OT systems from the ground up.
📥 Download PDFMalaysia's Cybersecurity Act - key regulatory requirements for regional operations.
📥 Download PDFDr. Yusuf Hashmi's comprehensive matrix of industrial control system protocols.
📥 Download PDFIdaho National Laboratory's Consequence-driven Cyber-informed Engineering paper.
📥 Download PDFPosition paper on AI applications in industrial environments and OT security.
📥 Download PDFNIST Cybersecurity Framework 2.0 - the gold standard for security program development.
📥 Download PDFSelect your situation above to see recommended services
Deep domain knowledge across critical infrastructure sectors.
Power generation, transmission, distribution, and renewable energy systems.
Upstream, midstream, and downstream operations security.
Discrete and process manufacturing control systems.
Maritime, aviation, rail, and logistics infrastructure.
Hospital systems, medical devices, and facility management.
Chemical processing, batch operations, and hazardous materials.
Aerospace, defense, and precision manufacturing.
Facility management, cooling systems, and power infrastructure.
Schedule a consultation to discuss your OT security challenges. We'll provide initial recommendations tailored to your environment.